Julius ii



(Np Modem J-. H. DUNBAR.

, NAILELATE EEEDEE. l No. 286,121. Patented Oct. 2, 1883'.

`15 impartedfto the feedrod.

, the plate.

y *@'UNITED1MSTATES PATENT OFFICE.

@JUNIUs I-LfDUNn'An, OF YOUNesTOWN7` OHIO, AssIeNOI-i fro rIIMsnLn AND FRANK BROWN, #or sAMn PLACE. n

NAIDPLATE'FEDER'. f

SPECIFICATION forming part @Letters Patent NO esaiei, daten october 2, ieee,

` Applicationfxled Marcil 2G, 1883. (No model) ToaZZ whom t mag/concern,.- O i rBe it known thatl, JUNIUs H.' DUNBAR, of Youngstown, in the county of Mahoning and State of Ohio, have invented a new yand use- 5 ful Improvementfin Nailillate Feedersgand I do hereby declare the following to be a full, clear, and enact description thereof, reference being hady to the accompanyingv drawings,

forming a part of thisspecification, in which" Io Figure 1L is a side elevation of a nail-ma chine, showing my improved feed devices. Fig. 2 is an endview of the frame, showing the feedrolls. Fig. 3 is an enlarged view of the s sectors by means of which a notary motion is Figs. 4, 5, 6, and k7 areenlarged views of portions of the mechanism by which the rotary motion is imparted to the feed-rod. Fig. Sis a sectional view of the plate-magazine. Fig. 9 is aiview of the )itil no plate and rod by means of which the plates are delivered from "the magazine. Fig. 10 is a view of the bedeplate to which the rocking frame is secured. Fig. ll is a sectional view` i i of a portion ofthe feed-rod. i

' s 25 Like letters of reference indicate like parts "Wherever they occur. y

My inventiourelates to kaninoproveinent in apparatusfor feeding nail-plates; and it con# sists in devices employed for feeding the plate y 3o forward into the nail-cutter, and devices for automatically turning the ,plate so Athat the nails are eut alternately from opposite sides thereof. y y n The object of my invention is to obtain a vr uniform action of the different parts, and to produce a simple and Aaccurate nail-plate feeder.

I will now describe inyyinvention, so that others skilled in the art may manufacture and 4o use the sanne.` s

, :In thek drawings, a indicates the nail -cutv`ting inaeliline, secured to the front end of y l'which by bolts a is the frame kor bed l) of the nail-plate feeder.

i '45 0n the frame b is the swivel-plate c, securedy by bolts b,fpassing, through curved slots in Pivotally secured at one of its ends to the plate o by the bolts or trunnions d is the rocking frame d, which frame carries the'feeding mechanism and the devices for turning the feed-rod, whichv devices are operated by ythe rocking motion of the frame. This rocking motion is imparted to the frame d from the shaft e by means of the cani e', secured on `the i end of the shalt, the shoulder e2, which bears against the cam, being kept inl position by a suitable spring, c", and the shaft or rod f,which extends to the joint of the toggle-ley verf', the outer ends of the bars of which are hinged to `the frame b and the rocking frame d.

Mounted On thebent arms orr yoke g, which yoke is bolted onthe rocking frame d, are the feed-rolls 7th,wliich rolls are jonrnaled,vone f' above the other, between the arinsof the yoke g, andare grooved so as tofforin a circular opening between the rolls for the passage of the feedrod and inclsing-cylinder.

' Keyed on the necks ofthe rolls, outside of the yoke g, are pinion-wheels ylr h3, the teeth v of which mesh within each other, and fitting loosely on the neck of the roll h, on the other Vside of the yoke g, is a ratchet-wheel, i, which ratehetwheel is' operated byr a pawl,` '112, 'attached to a lever, j,L which is pivotally hinged on the end of the neck of theroll 71., so that the ratchet-wheel is turnedr by the pawl t2 on the downward stroke of the lever, but remains stationary during the upward stroke, the pawl slipping over theratchetteeth.

Keyed on the neck yof the roll l1, is a circus@ llar disk, k, one face of which fits against the face of the ratchet-wheel i, and fitting in a re-y 'l cess in the face ofthe disk next to the ratchet the gasket, and motion is thereby imparted to the rolls. l y n Atfthe rear end of the'rocking frame d, and

bolted thereto, is a standard, l, having a laterally-projecting arm, Z', to which pivoted an internally-toothed sector, an.

Bassing through the standard Z is'the feedholds the pawl in position.

rod n, around which, at this point, is a sleeve, a', keyed thereto by a feather and spline.

Fitting loosely on the sleeve n, on the rear' side of the standard Z, is an externally-toothed pinion, o, which meshes into the sector fm. `This pinion is held iu its place on the sleeve n by the nut m', which is secured by a screwtltread, mi, on the sleeve.

Pivoted in the blank portion of the pinion o is a pawl, n2, which engages with two slots or notches, o', in the sleeve u. Aspring, a, At the other end of the sleeve n', on the forward side of the standard Z, is a collar, o2, which is part ofthe sleeve, or keyed thereto, in the circumference of which collar are two notches, o3, in which notches a pawl, p, engages, which pawl is pivoted to the standard. y

In the free end of the sector m is a lateral slot, m, through which a bolt, p', passes,

Y' n which bolt is pivotally attached to a rod, p2,

the other end of which is secured to the stationary frame b. The purpose of these devices is to 'give the feed-rod a half turn or rotation at each downward stroke of the rocking frame d. Y

Passing through the standard fm, the feedrod 'n extends forward between the rolls It h. At this point, over that portion of the rod which travels between the rolls, is a cylindrical casing or sleeve, q, which ts loosely around the rod, and is held in position by the collars q. This sleeve is of sufficient diameter to fill the opening formed by the grooves in the rolls h h', so that the rod is fed forward when motion is imparted to-the rolls. At the end of the feed-rod is a pair of nippers, q2, for holding the nail-plates. 0n a line with the nippers, at one side of the nail-platefeeder, is placed a nail-plate magazine, r, which is a rectangular box-adapted to hold the plates in ahorizontal position, so that they may befed from out the magazine, one by one, into the nippers through a slot, r', in the side of the magazine, at the bottom thereof, by a sliding plate, r2, which is operated by means of the rod r3, attached to the rear end of the sliding` plate, and extending therefrom to a point within easy access of the workman; or it may be connected by levers to a treadle, if desired. The edges of the jaws of the nippers may be flared, so as to guide the plate as it is forced f 'into the nippers.

'Ihe operation of these devices is as follows: The nippers being brought to their proper position, a .nail-plate is inserted therein from the magazine, and the feed-rod is then f ed forward by means of the lever j, which being moved up and down bythe hand of the workman, the pawl i2, engaging with the ratchetwheel/i on the downward stroke of the lever,

f operates the rolls h h through the 'disk 7a.

When the nail-plate is in the proper position against theostop, the nail-machine is put in motion, a nail is cnt by the/cutter, and at the same time motion is applied, through the rod I fand toggle-jointed lever f', to the rocking l' frame d. rllhe outer end of thesector m being secured to the stationary frame b, the sector or pinion o is given a half-turn by means of the teeth of the sector m on each upward and downward movement of the rocking framed. At the upward-stroke ofthe frame d, the pawl a2 engaging in the slots o in the sleeve a', which sleeve is keyed by a feather and spline to the feed-rod a, the feed-rod is given a half turn or revolution, which turnsthe plate in the cutter', so that the next nail is cut tapering from the other edge of the plate. At the downward A movement of the frame the pawl p engages in one of the notches o3 in the collar o2 and prevents the sleeve from turning. The pawl n2 is disengaged from the notch in the sleeve, and is carriedaround to the notch on the other side of the sleeve n', ready to repeat the revolving motion of the feed-rod in the same direction on the next upward stroke vof the frame. By these, ineans the plate is gradually fed forward and the nails out therey from, alternately tapering from opposite edges of the plate. When the plate is consumed, the feed-rod is withdrawn, a` new plate is inserted between the jaws of the nippers, and

the operation is repeated. When the nailvplate is fed forward against the stop, should power continue to be applied by the lever j, A owing to the resistance, the ratchet-wheel z' slips Von theface of the gasket and disk k nntil a nail is cut, and,\the resistance being removed, the plate is again fed forward the prop er distance against the stop. The purpose of the slotted bed-plate c is to allow the feeder to IOO be set at a proper angle with the cutter to form Ythe taper on the nails as they are cut, and,to

allow of this taper being varied at pleasure.

Instead of operating the rocking frame by power from the nail-machine, it may be worked K y y by means of a rod, s, and foot-treadle t.

Having thus described my invention, what I claim, and desire tosecure by Letters Patent, 1s-

1. In a nail-plate feeder, the combination,

with a longitudinally-traversing feed-rod providedv with nippers for holding the nail-plate, of feed-rolls for causing the traverse motion of the feed-rod, substantially as and for the purposes specified. Y v.

2. In a nail-plate feeder, the combination, withy a longitudinally-traversing feed-rod, of feed-rolls for causing the traverse motion of the feed-rod, and a ratchet-wheel and pawl for imparting motion to the feed-rolls, substantially as and for the purpose specified.

3. In a nail-plate feeder, the combination, with a Alongitudinally-traversing feed-rod, of a pair of Ifeed-rolls for causing the traverse motion of the feed-rod, a ratchet-'wheel monnt- Y ed loosely on the shaft of one of the feed-rolls,

ya friction-clutch keyedvto the shaft of' said roll, and a pawl for actuating the ratchetwheel and rolls, substantially as and for the purposes specified.y

el. In :inail-pluiefeedingmachine, the combina-Lion ol a, rocking frame, :L long iisudinelly-V tzraversing feed-rod mounted thereon, :i loose pinion provided with n pmvl and arranged on the feed-rod so :is to permit ol' the longitudinul traverse und rotation ol' the feed-rod, and meelnrnism for nehmt-ing the pinion, Substantially as and for the pui-poseev specified.

In u lniil-plute-feeding maehine, u feedrod mounled on :i rocking frame, in combinetion with u sector, pinion, :nid pawl, and-:i sleeve Seeured on the feed -rod by n. feather and Spline1 Substantially :md for the purpose speeiled.

C. In n nuil-1 .lnl;el`eedlng nmehine, :ifeedrod mounted on :i rocking frame, in Combinetion with an iuternn-llyloothed sector, :in exiernnlly-lvool'hed pinion, and n pmrl, n Sleeve seen red on the feed rod 1x3-:i lezuher and Spline, und n. pziwl lor preventing the [eed-rod from turning on l'he return movement ofthe frame, Sul'istn'nially ns nud for the purpose Specified.

'7. In :i nail-plate i'eeder, the combination, with u'loneitudinnlly-trm'ersing 1`eed-rod, of a, pair of rolls for musing the travel of the feed-rod, :1nd :i frietion-eluteh for actuating the feedfrollS. .QuhSinnl'in-lly :is und for the purpose Speeied.

ln n nail-pluie feeder, theemnhnntion of a rocking frame, :n longibudinally-t-rm'ersing feed-rod mounted thereon, a pinion mounted loosely on the feed-rod und provided with u pir-wl or eluteh for seizing the rod, and :L seetor having internal gearing for actuating the pinion, Substantially :is und for the purposes specified.

9. In :i nail-plaite feeder, the eoml'iinntion, wil-h :i rocking frame, o1' n. longit'udilmlly-trnr elsing feed-rod mounted on the rocking frame, feed-rolls for causing the traverse motion of the feed-rod, a pinion loosely journaled on the feed-rod und provided with n pmvl or elul'eh for seizing the rod, sind :i seel'or haring gear which :remates the pinion during lhe movement of the rocking frame, substantially als and for the purposes specified.

10. A. nailplateleeding machine haring u l'eedrod mounted on n rod mounted on u roel@ ing l'rume, in eomhinulion with u swivel liedplute, SuliSl'nntinlLy ns und for the purpose speeifled.

In testimony whereof I here hereunto :selA my hund this? ld dir r ol' March, Il. 1885i.

.IITNIITS Il. DIINBAR.

Correction in Letters Patent No. 286,121.

. tion as follows:

E the same may conform to the record of the case in the Patent. Office.

It is hereb; certified that in Letters Patent No. 286,121, granted October 2, 1883, upon the application of J unius H. Dunbar, of Youngstown, Ohio, for an improvement in Nail-Plate Feeders, an error appears in the printed specification requiring correc- In line 48, page 3, the words mounted on a rod should be stricken out; and that the said Letters Patent should be read with this correction therein that Signed, oountersigned, and sealed this 3d day of November, A. D. 1885.

[SELL] H. L. MULDROW,

Acting Secretary of the I nteror.

Con ntersigned M. V. MONTGOMERY,

Cmnmissoner of Patents. 

